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GS8160E18T Datasheet, PDF (17/25 Pages) GSI Technology – 1M x 18, 512K x 36 18Mb Sync Burst SRAMs | |||
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GS8160E18/32/36T-250/225/200/166/150/133
AC Electrical Characteristics
Parameter
-250
-225
-200
-166
-150
-133
Symbol
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Clock Cycle Time
tKC 4.0 â 4.4 â 5.0 â 6.0 â 6.7 â 7.5 â ns
Clock to Output Valid tKQ â 2.5 â 2.7 â 3.0 â 3.4 â 3.8 â 4.0 ns
Clock to Output Invalid tKQX
Pipeline
Clock to Output in Low-Z tLZ1
1.5 â 1.5 â 1.5 â 1.5 â 1.5 â 1.5 â ns
1.5 â 1.5 â 1.5 â 1.5 â 1.5 â 1.5 â ns
Setup time
tS
1.2 â 1.3 â 1.4 â 1.5 â 1.5 â 1.5 â ns
Hold time
tH 0.2 â 0.3 â 0.4 â 0.5 â 0.5 â 0.5 â ns
Clock Cycle Time
tKC 5.5 â 6.0 â 6.5 â 7.0 â 7.5 â 8.5 â ns
Clock to Output Valid tKQ â 5.5 â 6.0 â 6.5 â 7.0 â 7.5 â 8.5 ns
Flow Clock to Output Invalid tKQX
Through Clock to Output in Low-Z tLZ1
3.0 â 3.0 â 3.0 â 3.0 â 3.0 â 3.0 â ns
3.0 â 3.0 â 3.0 â 3.0 â 3.0 â 3.0 â ns
Setup time
tS
1.5 â 1.5 â 1.5 â 1.5 â 1.5 â 1.5 â ns
Hold time
tH 0.5 â 0.5 â 0.5 â 0.5 â 0.5 â 0.5 â ns
Clock HIGH Time
tKH 1.3 â 1.3 â 1.3 â 1.3 â 1.5 â 1.7 â ns
Clock LOW Time
tKL 1.5 â 1.5 â 1.5 â 1.5 â 1.7 â 2 â ns
Clock to Output in
High-Z
tHZ1 1.5 2.3 1.5 2.5 1.5 3.0 1.5 3.0 1.5 3.0 1.5 3.0 ns
G to Output Valid
tOE â 2.3 â 2.5 â 3.2 â 3.5 â 3.8 â 4.0 ns
G to output in Low-Z tOLZ1 0 â 0 â 0 â 0 â 0 â 0 â ns
G to output in High-Z tOHZ1 â 2.3 â 2.5 â 3.0 â 3.0 â 3.0 â 3.0 ns
ZZ setup time
tZZS2 5 â 5 â 5 â 5 â 5 â 5 â ns
ZZ hold time
tZZH2 1 â 1 â 1 â 1 â 1 â 1 â ns
ZZ recovery
tZZR 20 â 20 â 20 â 20 â 20 â 20 â ns
Notes:
1. These parameters are sampled and are not 100% tested.
2. ZZ is an asynchronous signal. However, in order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold
times as specified above.
Rev: 2.13 11/2004
17/25
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 1999, GSI Technology
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